They’re the future of living architecture, say international green roof advocates who gathered in Toronto last week. [...]

“We have a handful of agricultural green roofs and all of them are community projects,” like Eastdale Collegiate, Ryerson’s Engineering building and the Carrot Common, said Peck. “But we don’t have any commercial-scale agriculture on roofs — that’s the next thing.”
— thestar.com

Eating food that’s grown locally and sustainably is a fantastic and increasingly popular idea, but it’s also expensive. Producers tend to drown under marketing and distribution costs, and struggle to find retail channels for their products. To assume that urban farms can escape that trap because of their extreme proximity to consumers would be a mistake; getting food to consumers has proven a logistical nightmare for them as well.
— citiscope.org

As fossil fuels become more expensive and the number of urban dwellers continues to rise, urban farming will help feed the population without increasing the cost and pollution of food transport. [...]

The rise in rooftop farming isn't limited to commercial operations. "Rooftop farming and gardening has become extremely diverse, and in that sense a more 'normal' presence in cities"
— news.nationalgeographic.com

The Europan 11 entry of the Rotterdam based Bureau of Architecture, Research, and Design (BOARD) entitled "Cell Division", suggests giving the spatially magnificent cells in Deventer's famous silo over to apartments containing all the service and facility rooms, such as toilets, bathrooms... View full entry